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Each channel includes the patented 'THRUST'  switch to protect the sensitive high frequency content of the audio  signal even under the most vigorous of compression ratios. The perfect  companion to your R20 mic-preamp and R24 EQ, the R22 compressor  provides comprehensive easy-to-use control of the audio signal with  custom VU metering of both output and gain reduction. The two channels  can even be linked for use as a stereo compressor with true RMS power  summing of the left and right signals.\u003cbr\u003e\u003cspan style=\"font-weight: bold;\"\u003e\u003cbr\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePatented THRUST circuit\u003c\/li\u003e\n\u003cli\u003eVariable Threshold, Ratio, and Make-up Gain controls\u003c\/li\u003e\n\u003cli\u003eSwitchable metering of output level and gain reduction\u003c\/li\u003e\n\u003cli\u003eAbove threshold LED indication\u003c\/li\u003e\n\u003cli\u003eSwitchable Hard or Soft Knee compression\u003c\/li\u003e\n\u003cli\u003eLinkable for stereo operation with true RMS power summing\u003c\/li\u003e\n\u003cli\u003eFully balanced XLR and 1\/4\" inputs and outputs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eSpecifications\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInputs: Balanced XLR and 1\/4\" jack (1\/4\" normaled priority)\u003c\/li\u003e\n\u003cli\u003eOutputs: Balanced XLR and 1\/4\" parallel jacks\u003c\/li\u003e\n\u003cli\u003eInput Impedance: 15KOhms Balanced\u003c\/li\u003e\n\u003cli\u003eBandwidth: +\/- 0.5db, 20Hz - 50kHz\u003c\/li\u003e\n\u003cli\u003eTHD+N @ 1kHz, +4dBu: \u0026lt;0.005%\u003c\/li\u003e\n\u003cli\u003eMaximum Level: +19dBu\u003c\/li\u003e\n\u003cli\u003eSignal-to-Noise Ratio: -88dBu (comp in), -92dBu (bypass), -106dB\u003c\/li\u003e\n\u003cli\u003eCrosstalk: \u0026lt;84dB @ 20kHz\u003c\/li\u003e\n\u003cli\u003eStereo Link: True RMS Power Summing\u003c\/li\u003e\n\u003cli\u003eMeter: -20 to +3 VU Output Level, 0 to -15 dB Gain Reduction, switchable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: bold;\"\u003eCompressor Controls\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThreshold Range: -40dBu to +15dBu\u003c\/li\u003e\n\u003cli\u003eRatio Range: 1:1 to 10:1\u003c\/li\u003e\n\u003cli\u003eMakeup Gain Range: 0dB to +20dB\u003c\/li\u003e\n\u003cli\u003eHard or Soft Knee switchabel\u003c\/li\u003e\n\u003cli\u003eFlat or Thrust side chain filter switchable\u003c\/li\u003e\n\u003cli\u003eAttach Time: Program and Control Adaptive, 10mSec to 40mSec\u003c\/li\u003e\n\u003cli\u003eRelease Time: Program and Control Adaptive, 30mSec to 400mSec\u003c\/li\u003e\n\u003cli\u003eCurrent: 93mA, 10.8VoltAmps\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JDK Audio by API","offers":[{"title":"Default Title","offer_id":44449486733415,"sku":"29176","price":750.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_jdk_r22_0085_front_3c197207-a4cf-408f-8087-cb3bcf299e90.jpg?v=1787089144"},{"product_id":"jdk-audio-by-api-v14-500-series-eq-used","title":"JDK Audio by API V14 500 Series EQ (Used)","description":"The \u003cb\u003eJDK Audio V 14 \u003c\/b\u003eis an extremely high quality, single channel 4-Band Equalizer designed for the popular API VPR500 Rack format. \u003cbr\u003e\u003cbr\u003eThe EQ features continuously variable adjustment of frequency and gain on dual concentric pots, with an eq in\/out switch. \u003cbr\u003e\u003cbr\u003eArsenal's V-14 offers a single channel of professional signal equalization in the popular 500 VPR format. Modeled after the circuitry of classic high end EQ's, the V14 delivers an affordable combination of rugged construction and solid performance. The V14 also features EQ in and out switch, plus dual concentric knobs which provide continuously variable control of boost\/cut and frequency selection. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifications \u003c\/b\u003e\u003cbr\u003e \u003cul\u003e \u003cli\u003eI\/O: Balanced Input and Output through VPR Rack (All measurements with 600 Ohm output load) \u003c\/li\u003e\n\u003cli\u003eBandwidth: +\/- 0.5db, 20hz - 50Khz \u003c\/li\u003e\n\u003cli\u003eTHD+N @ 1Khz, +4dbu: 0.01% \u003c\/li\u003e\n\u003cli\u003eMaximum Level: +24dbu \u003c\/li\u003e\n\u003cli\u003eSignal-to-Noise Ratio: -102db \u003c\/li\u003e\n\u003cli\u003eEQ Bands: 4 bands, all +\/-12db Peak\/Dip type \u003c\/li\u003e\n\u003cli\u003eLo: 20hz - 200hz \u003c\/li\u003e\n\u003cli\u003eLo-Mid: 100hz - 1Khz \u003c\/li\u003e\n\u003cli\u003eHi-Mid: 500hz - 5Khz \u003c\/li\u003e\n\u003cli\u003eHi: 2.2Khz - 20Khz \u003c\/li\u003e\n\u003cli\u003eCurrent: 30mA, 3.4VoltAmps \u003c\/li\u003e\n\u003cli\u003eDimensions: 1 VPR Alliance Slot \u003c\/li\u003e\n\u003cli\u003eHeight: 5.25 Inches \u003c\/li\u003e\n\u003cli\u003eWidth: 1.5 Inches \u003c\/li\u003e\n\u003cli\u003eDepth: 7 Inches \u003c\/li\u003e\n\u003cli\u003eWeight: 1.5 lbs \u003c\/li\u003e\n\u003cli\u003eInput Impedance: 12K Ohms \u003c\/li\u003e\n\u003cli\u003eOutput Impedance: 300 Ohms Transformer Balanced \u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003ci\u003e(Specifications subject to change without notice)\u003c\/i\u003e \u003c\/p\u003e","brand":"JDK Audio by API","offers":[{"title":"Default Title","offer_id":44449505935463,"sku":"30783","price":425.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_jdk_v14_cat_448841a6-499a-4d70-85bb-7e8ce6d6a7f0.jpg?v=1787089243"},{"product_id":"arsenal-audio-by-api-r20-0071-used","title":"Arsenal Audio by API R20 #0071 (Used)","description":"Purchase price includes VK premium servicing with a 1 year warranty!\u003cbr\u003e\u003cp\u003eThe \u003cb\u003eJDK Audio MP R-20\u003c\/b\u003e is a dual channel, high quality microphone  preamp, designed from the ground up by API's design team to offer a  versatile high quality input for Mmicrophones as well as instruments. \u003c\/p\u003e\u003cbr\u003eEach  channel features both a mic and an instrument input, with switched  phantom power, phase, and pad. 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Individual toggle switches control the selection of 48v,  polarity, pad and a mic\/instrument switch. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e  \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInputs:\u003c\/b\u003e Balanced XLR Mic jack (rear) Un-Balanced 1\/4\" Instrument jack (front)  \u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutputs:\u003c\/b\u003e Balanced XLR and 1\/4\" parallel jacks \u003cbr\u003e \u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMicrophone Input\u003c\/b\u003e  \u003cul\u003e\n\u003cli\u003eGain: +55db (no pad), +36db (w\/pad)  \u003c\/li\u003e\n\u003cli\u003eMin Gain: +9db (no pad), -10db (w\/pad)  \u003c\/li\u003e\n\u003cli\u003ePot Gain Range: 46db  \u003c\/li\u003e\n\u003cli\u003ePad: -20db  \u003c\/li\u003e\n\u003cli\u003eInput Impedance: 6.8K Ohms  \u003c\/li\u003e\n\u003cli\u003eTHD+N @ 1Khz, +4dbu: 0.013%  \u003c\/li\u003e\n\u003cli\u003eBandwidth: +\/- 0.5db, 20hz - 50Khz  \u003c\/li\u003e\n\u003cli\u003eTHD+N @ 1Khz, +4dbu: 0.013%  \u003c\/li\u003e\n\u003cli\u003eMaximum Level: +20dbu  \u003c\/li\u003e\n\u003cli\u003eSignal-to-Noise Ratio: -90db \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e \u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstrument Input \u003c\/b\u003e \u003cul\u003e\n\u003cli\u003eMax Gain: +31db (no pad), +21db (w\/pad)  \u003c\/li\u003e\n\u003cli\u003eMin Gain: +10db (no pad), 0db (w\/pad)  \u003c\/li\u003e\n\u003cli\u003ePot Gain Range: 21db  \u003c\/li\u003e\n\u003cli\u003ePad: -10db  \u003c\/li\u003e\n\u003cli\u003eInput Impedance: 500K Ohms  \u003c\/li\u003e\n\u003cli\u003eBandwidth: +\/- 0.5db, 20hz - 20Khz  \u003c\/li\u003e\n\u003cli\u003eTHD+N @ 1Khz, +4dbu: 0.002%  \u003c\/li\u003e\n\u003cli\u003eMaximum Level: +20dbu \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e \u003c\/li\u003e\n\u003cli\u003eSignal-to-Noise Ratio: -80db  \u003c\/li\u003e\n\u003cli\u003eCurrent: 65mA, 7.3VoltAmps  \u003c\/li\u003e\n\u003cli\u003eDimensions: 2U EIA 19\" Rack  \u003c\/li\u003e\n\u003cli\u003eHeight: 3.5 Inches  \u003c\/li\u003e\n\u003cli\u003eWidth: 19 Inches  \u003c\/li\u003e\n\u003cli\u003eDepth: 10 inches  \u003c\/li\u003e\n\u003cli\u003eWeight: 12 lbs \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JDK Audio by API","offers":[{"title":"Default Title","offer_id":44449555873895,"sku":"33680","price":795.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_arsenal_audio_api_r20__0071_cat_9a583616-61fa-41ae-8076-94f34f736bfa.jpg?v=1787089442"},{"product_id":"jdk-audio-by-api-r22-dual-channel-compressor-0175-used","title":"JDK Audio by API R22 - Dual Channel Compressor #0175 (Used)","description":"The \u003cspan style=\"font-weight: bold;\"\u003eJDK Audio R22\u003c\/span\u003e dual channel compressor features two channels of API's patented award winning compressor circuit in a rack mount unit with internal power supply. This is the same compressor circuit originally designed into all ATI Paragon mixing consoles. Each channel includes the patented 'THRUST' switch to protect the sensitive high frequency content of the audio signal even under the most vigorous of compression ratios. The perfect companion to your R20 mic-preamp and R24 EQ, the R22 compressor provides comprehensive easy-to-use control of the audio signal with custom VU metering of both output and gain reduction. The two channels can even be linked for use as a stereo compressor with true RMS power summing of the left and right signals.\u003cbr\u003e\u003cspan style=\"font-weight: bold;\"\u003e\u003cbr\u003eFeatures\u003c\/span\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003ePatented THRUST circuit\u003c\/li\u003e\n\u003cli\u003eVariable Threshold, Ratio, and Make-up Gain controls\u003c\/li\u003e\n\u003cli\u003eSwitchable metering of output level and gain reduction\u003c\/li\u003e\n\u003cli\u003eAbove threshold LED indication\u003c\/li\u003e\n\u003cli\u003eSwitchable Hard or Soft Knee compression\u003c\/li\u003e\n\u003cli\u003eLinkable for stereo operation with true RMS power summing\u003c\/li\u003e\n\u003cli\u003eFully balanced XLR and 1\/4\" inputs and outputs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cspan style=\"font-weight: bold;\"\u003eSpecifications\u003c\/span\u003e\u003cbr\u003e \u003cul\u003e\n\u003cli\u003eInputs: Balanced XLR and 1\/4\" jack (1\/4\" normaled priority)\u003c\/li\u003e\n\u003cli\u003eOutputs: Balanced XLR and 1\/4\" parallel jacks\u003c\/li\u003e\n\u003cli\u003eInput Impedance: 15KOhms Balanced\u003c\/li\u003e\n\u003cli\u003eBandwidth: +\/- 0.5db, 20Hz - 50kHz\u003c\/li\u003e\n\u003cli\u003eTHD+N @ 1kHz, +4dBu: \u0026lt;0.005%\u003c\/li\u003e\n\u003cli\u003eMaximum Level: +19dBu\u003c\/li\u003e\n\u003cli\u003eSignal-to-Noise Ratio: -88dBu (comp in), -92dBu (bypass), -106dB\u003c\/li\u003e\n\u003cli\u003eCrosstalk: \u0026lt;84dB @ 20kHz\u003c\/li\u003e\n\u003cli\u003eStereo Link: True RMS Power Summing\u003c\/li\u003e\n\u003cli\u003eMeter: -20 to +3 VU Output Level, 0 to -15 dB Gain Reduction, switchable\u003c\/li\u003e\n\u003c\/ul\u003e \u003cspan style=\"font-weight: bold;\"\u003eCompressor Controls\u003c\/span\u003e\u003cbr\u003e \u003cul\u003e\n\u003cli\u003eThreshold Range: -40dBu to +15dBu\u003c\/li\u003e\n\u003cli\u003eRatio Range: 1:1 to 10:1\u003c\/li\u003e\n\u003cli\u003eMakeup Gain Range: 0dB to +20dB\u003c\/li\u003e\n\u003cli\u003eHard or Soft Knee switchabel\u003c\/li\u003e\n\u003cli\u003eFlat or Thrust side chain filter switchable\u003c\/li\u003e\n\u003cli\u003eAttach Time: Program and Control Adaptive, 10mSec to 40mSec\u003c\/li\u003e\n\u003cli\u003eRelease Time: Program and Control Adaptive, 30mSec to 400mSec\u003c\/li\u003e\n\u003cli\u003eCurrent: 93mA, 10.8VoltAmps\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JDK Audio by API","offers":[{"title":"Default Title","offer_id":44449561804903,"sku":"34256","price":750.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/8848\/5479\/files\/used_jdk_audio_by_api_r22-dual_channel_compressor__0175_cat_56913ba9-9e0e-401d-bc47-caf7571144dc.jpg?v=1787089468"},{"product_id":"jdk-audio-by-api-r22-dual-channel-comp-r220146-used","title":"JDK Audio by API R22 - Dual Channel Comp #R220146 (Used)","description":"The \u003cstrong\u003eJDK Audio R22\u003c\/strong\u003e dual channel compressor features two channels of API's patented award winning compressor circuit in a rack mount unit with internal power supply. 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